34531221309 has 16 divisors (see below), whose sum is σ = 49593483072. Its totient is φ = 21245614848.

The previous prime is 34531221299. The next prime is 34531221311. The reversal of 34531221309 is 90312213543.

It is not a de Polignac number, because 34531221309 - 2⁹ = 34531220797 is a prime.

It is a super-2 number, since 2×34531221309² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34531221309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34531221349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106629 + ... + 283605.

It is an arithmetic number, because the mean of its divisors is an integer number (3099592692).

Almost surely, 2^34531221309 is an apocalyptic number.

34531221309 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

34531221309 is a deficient number, since it is larger than the sum of its proper divisors (15062261763).

34531221309 is a wasteful number, since it uses less digits than its factorization.

34531221309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181996.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 34531221309 in words is "thirty-four billion, five hundred thirty-one million, two hundred twenty-one thousand, three hundred nine".